International Referral System for Sources of Environmental Information : international directory of sources, 1983/1984, v. A-G.
1983
Полное описание
Условное обозначениеUNEP/INFOTERRA/D.83
ЗаглавиеInternational Referral System for Sources of Environmental Information : international directory of sources, 1983/1984, v. A-G.
Шифр
UNEP/INFOTERRA(015)/S6
ДатаNairobi : UN, Jan. 1983.
Описание
7 vols.